 /*******************************************************************************
  * Copyright (c) 2006, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ui.internal.quickaccess;

 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.ui.IEditorReference;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.PlatformUI;

 /**
  * @since 3.3
  *
  */
 public class EditorElement extends QuickAccessElement {

     private static final String DIRTY_MARK = "*"; //$NON-NLS-1$

     private static final String separator = " - "; //$NON-NLS-1$

     private IEditorReference editorReference;

     /* package */EditorElement(IEditorReference editorReference, EditorProvider editorProvider) {
         super(editorProvider);
         this.editorReference = editorReference;
     }

     public void execute() {
         IWorkbenchPart part = editorReference.getPart(true);
         if (part != null) {
             IWorkbenchPage activePage = PlatformUI.getWorkbench()
                     .getActiveWorkbenchWindow().getActivePage();
             if (activePage != null) {
                 activePage.activate(part);
             }
         }
     }

     public String getId() {
         return editorReference.getId() + editorReference.getTitleToolTip();
     }

     public ImageDescriptor getImageDescriptor() {
         return ImageDescriptor.createFromImage(editorReference.getTitleImage());
     }

     public String getLabel() {
         boolean dirty = editorReference.isDirty();
         return (dirty ? DIRTY_MARK : "") + editorReference.getTitle() + separator + editorReference.getTitleToolTip(); //$NON-NLS-1$
 }

     public String getSortLabel() {
         return editorReference.getTitle();
     }

     public int hashCode() {
         final int prime = 31;
         int result = 1;
         result = prime * result
                 + ((editorReference == null) ? 0 : editorReference.hashCode());
         return result;
     }

     public boolean equals(Object obj) {
         if (this == obj)
             return true;
         if (obj == null)
             return false;
         if (getClass() != obj.getClass())
             return false;
         final EditorElement other = (EditorElement) obj;
         if (editorReference == null) {
             if (other.editorReference != null)
                 return false;
         } else if (!editorReference.equals(other.editorReference))
             return false;
         return true;
     }
 }

